Net worth is market-sensitive and may change materially. A source-of-wealth company is not necessarily wholly owned by the subject.
Ownership map
Companies and wealth sources
These records identify the businesses associated with the fortune. Unknown ownership percentages and private-company values remain explicitly unallocated.
Claim-level research
Documented claims
Charles Koch has been chairman of Koch, Inc., America's second largest private company by revenue, since 1967. He brought on his first ever co-CEO in 2023. [2]
Historical foundation
Recorded wealth snapshots
Additional dated estimates will appear here as independently sourced snapshots are added. The schema is ready for rank and net-worth history charts.
Career record
Selected milestones
No milestone has yet passed the profile’s citation threshold. This section will expand during editorial review.
Philanthropy
Disclosed giving
Evidence record
Methodology and confidence
Public ranking estimate cross-referenced with available company disclosures. Private assets, liabilities and ownership percentages remain unallocated unless separately documented.
- Schema version
- 1.0
- Historical snapshots
- 3
- Researched claims
- 1
- Last reviewed
- 2026-08-08
Citations